What bean plant will grow the highest in 5 weeks?

Question

i am doing a project in biology where we need to grow the highest bean plant so what bean plant will grow the highest and what things need to be done to have them grow the highest?

Answer 1

Instead of growing one plant, why not pot up several different plants of several different species and change the conditions.

For instance:

shade vs sun

large seeds vs small seeds

warm windowsill vs. cool windowsill

bottom heat vs. no bottom heat

soil vs. sand

fertilizer vs. no fertilizer

Keep track of each pair of plants for each species... then bring in the tallest. <g>

Answer 2

Try a castor bean plant.  That sucker grows fast.

The plants grow extremely fast. The largest plants develop from seed started early inside, so you might wish to begin early in the year in your house.

Castor bean likes a deep, rich soil, sheltered from winds. The seeds are both attractive and poisonous so should be kept away from children. Soak the seeds overnight for

the best germination results.

The seed can be started outside in the garden. Push the

seeds into the soil with the nubby end going in first. Do not pack the soil over the seed. They will germinate in seven

to fourteen days but I have had them come up in less than one week with bottom heat germination mats, which are available at your local hardware store most of the time.

Be patient. You might want to assist the seedling by removing the seed carefully as it emerges. Sometimes the seed clings tightly and causes the foliage not to be able to come out.

As they grow, you may notice a "shell" on the leaf. A white, sometimes pink veined filmy thick tissue. This shell is sometimes too heavy for the plant to bear, thus it will droop nd may snap the plant's neck. I remove this shell after it has

loosened. Try not to rip it off the poor plant.

Also, the leaves are very large for such a tiny stem when they

first come up, so you may need to assist it in getting it's head

out of the ground by scratching the soil around it in order that it may lift it's head up easily when ready. They like water and full sun, but grow in the shade.

They won't grow much in the shade, however. As they grow, watch the seed pods develop. Try to check on your plants often, as the seed pods will be green one day, and cracking open the next. If you harvest the seeds in the summertime when it is hot, they will actually crack and pop open like popcorn. It is fun to remove the shells when

they pop!

Again, seeds are both attractive and very poisonous!